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Finding the Fourth Proportional to 186,149.52, 279,220.68 and 53,030.64

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Solution

The fourth proportional to 186,149.52, 279,220.68 and 53,030.64 is: 79,544.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,149.52 : 279,220.68 = 53,030.64 : x
  2. Step 2: Convert to fraction form
    186,149.52/279,220.68 = 53,030.64/x
  3. Step 3: Cross multiply
    186,149.52x = 279,220.68 × 53,030.64
  4. Step 4: Simplify right side
    186,149.52x = 14,807,251,361.64
  5. Step 5: Solve for x
    x = 14,807,251,361.64/186,149.52
  6. Step 6: Final answer
    x = 79,544.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.